CVE-2009-4142

Published: Dec 21, 2009Modified: Apr 23, 2026

4.3

Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability: 8.6 / Impact: 2.9

Source: NVD

Description

The htmlspecialchars function in PHP before 5.2.12 does not properly handle (1) overlong UTF-8 sequences, (2) invalid Shift_JIS sequences, and (3) invalid EUC-JP sequences, which allows remote attackers to conduct cross-site scripting (XSS) attacks by placing a crafted byte sequence before a special character.

Affected (111)

Products: Php: Php

Php

1 product

Php

Configuration A

111 vulnerable

Vulnerable Software	Affected Versions
Php Php	Up to 5.2.11
Php Php	Version 1.0
Php Php	Version 2.0
Php Php	Version 2.0b10
Php Php	Version 3.0.10
Php Php	Version 3.0.11
Php Php	Version 3.0.12
Php Php	Version 3.0.13
Php Php	Version 3.0.14
Php Php	Version 3.0.15
Php Php	Version 3.0.16
Php Php	Version 3.0.17
Php Php	Version 3.0.18
Php Php	Version 3.0.1
Php Php	Version 3.0.2
Php Php	Version 3.0.3
Php Php	Version 3.0.4
Php Php	Version 3.0.5
Php Php	Version 3.0.6
Php Php	Version 3.0.7
Php Php	Version 3.0.8
Php Php	Version 3.0.9
Php Php	Version 3.0
Php Php	Version 4.0.0
Php Php	Version 4.0.1
Php Php	Version 4.0.1 patch1
Php Php	Version 4.0.1 patch2
Php Php	Version 4.0.2
Php Php	Version 4.0.3
Php Php	Version 4.0.3 patch1
Php Php	Version 4.0.4
Php Php	Version 4.0.4 patch1
Php Php	Version 4.0.5
Php Php	Version 4.0.6
Php Php	Version 4.0.7
Php Php	Version 4.0.7 rc1
Php Php	Version 4.0.7 rc2
Php Php	Version 4.0.7 rc3
Php Php	Version 4.0.7 rc4
Php Php	Version 4.0
Php Php	Version 4.0 beta1
Php Php	Version 4.0 beta2
Php Php	Version 4.0 beta3
Php Php	Version 4.0 beta4
Php Php	Version 4.0 beta_4_patch1
Php Php	Version 4.0 rc1
Php Php	Version 4.0 rc2
Php Php	Version 4.1.0
Php Php	Version 4.1.1
Php Php	Version 4.1.2
Php Php	Version 4.2.0
Php Php	Version 4.2.1
Php Php	Version 4.2.2
Php Php	Version 4.2.3
Php Php	Version 4.2
Php Php	Version 4.3.0
Php Php	Version 4.3.10
Php Php	Version 4.3.11
Php Php	Version 4.3.1
Php Php	Version 4.3.2
Php Php	Version 4.3.3
Php Php	Version 4.3.4
Php Php	Version 4.3.5
Php Php	Version 4.3.6
Php Php	Version 4.3.7
Php Php	Version 4.3.8
Php Php	Version 4.3.9
Php Php	Version 4.4.0
Php Php	Version 4.4.1
Php Php	Version 4.4.2
Php Php	Version 4.4.3
Php Php	Version 4.4.4
Php Php	Version 4.4.5
Php Php	Version 4.4.6
Php Php	Version 4.4.7
Php Php	Version 4.4.8
Php Php	Version 4.4.9
Php Php	Version 4
Php Php	Version 5.0.0
Php Php	Version 5.0.0 beta1
Php Php	Version 5.0.0 beta2
Php Php	Version 5.0.0 beta3
Php Php	Version 5.0.0 beta4
Php Php	Version 5.0.0 rc1
Php Php	Version 5.0.0 rc2
Php Php	Version 5.0.0 rc3
Php Php	Version 5.0.1
Php Php	Version 5.0.2
Php Php	Version 5.0.3
Php Php	Version 5.0.4
Php Php	Version 5.0.5
Php Php	Version 5.0 rc1
Php Php	Version 5.0 rc2
Php Php	Version 5.0 rc3
Php Php	Version 5.1.0
Php Php	Version 5.1.1
Php Php	Version 5.1.3
Php Php	Version 5.1.4
Php Php	Version 5.1.5
Php Php	Version 5.1.6
Php Php	Version 5.2.0
Php Php	Version 5.2.10
Php Php	Version 5.2.1
Php Php	Version 5.2.2
Php Php	Version 5.2.3
Php Php	Version 5.2.4
Php Php	Version 5.2.5
Php Php	Version 5.2.6
Php Php	Version 5.2.8
Php Php	Version 5.2.9
Php Php	Version 5